package avicit.bdp.dds.dao.upgrade;

import avicit.bdp.dds.common.utils.ConnectionUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.HashMap;
import java.util.Map;

public class ProcessDefinitionDao {


    public static final Logger logger = LoggerFactory.getLogger(ProcessDefinitionDao.class);

    /**
     * queryAllProcessDefinition
     * @param conn jdbc connection
     * @return ProcessDefinition Json List
     */
    public Map<Integer,String> queryAllProcessDefinition(Connection conn){

        Map<Integer,String> processDefinitionJsonMap = new HashMap<>();

        String sql = String.format("SELECT id,process_definition_json FROM t_ds_process_definition");
        ResultSet rs = null;
        PreparedStatement pstmt = null;
        try {
            pstmt = conn.prepareStatement(sql);
            rs = pstmt.executeQuery();

            while (rs.next()){
                Integer id = rs.getInt(1);
                String processDefinitionJson = rs.getString(2);
                processDefinitionJsonMap.put(id,processDefinitionJson);
            }

        } catch (Exception e) {
            logger.error(e.getMessage(),e);
            throw new RuntimeException("sql: " + sql, e);
        } finally {
            ConnectionUtils.releaseResource(rs, pstmt, conn);
        }

        return processDefinitionJsonMap;
    }


    /**
     * updateProcessDefinitionJson
     * @param conn jdbc connection
     * @param processDefinitionJsonMap processDefinitionJsonMap
     */
    public void updateProcessDefinitionJson(Connection conn,Map<Integer,String> processDefinitionJsonMap){
        String sql = "UPDATE t_ds_process_definition SET process_definition_json=? where id=?";
        try {
            for (Map.Entry<Integer, String> entry : processDefinitionJsonMap.entrySet()){
                try(PreparedStatement pstmt= conn.prepareStatement(sql)) {
                    pstmt.setString(1,entry.getValue());
                    pstmt.setInt(2,entry.getKey());
                    pstmt.executeUpdate();
                }

            }

        } catch (Exception e) {
            logger.error(e.getMessage(),e);
            throw new RuntimeException("sql: " + sql, e);
        } finally {
            ConnectionUtils.releaseResource(conn);
        }
    }
}
